Home / 195,586.18-269,899.56-120,120.10

Finding the Fourth Proportional to 195,586.18, 269,899.56 and 120,120.10

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Solution

The fourth proportional to 195,586.18, 269,899.56 and 120,120.10 is: 165,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,586.18 : 269,899.56 = 120,120.10 : x
  2. Step 2: Convert to fraction form
    195,586.18/269,899.56 = 120,120.10/x
  3. Step 3: Cross multiply
    195,586.18x = 269,899.56 × 120,120.10
  4. Step 4: Simplify right side
    195,586.18x = 32,420,361,462.41
  5. Step 5: Solve for x
    x = 32,420,361,462.41/195,586.18
  6. Step 6: Final answer
    x = 165,759.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.